+61-413 786 465
info@mywordsolution.com
Home >> Statistics and Probability
what is the probability of selecting a sample mean of 7 or less , with a sample population of 9 and mean of 10 and a standard deviation of 3.
Statistics and Probability, Statistics
The following frequency table summarizes the distances in miles of 100 patients from a regional hospital. Distance Frequency 0-2 30 2-4 35 4-6 20 6-8 10 8-10 5 Calculate the sample variance and standard deviation for thi ...
You play the following game against your friend. You have 2 urns and 4 balls. One of the balls is black and the other 3 are white. You can place the balls in the urns any way that you'd like, including leaving an urn emp ...
Suppose that, for a given patient, the true EF is 63. Consider the population of EF values that can be estimated on that patient using option II above. That population follows a normal distribution with μ= 63. Find the p ...
A research a research institute conduct the clinical trials of a method designed to increase the probability of conceiving a boy. Amount 170 to babies born to parents using the method. 146 for boys. Identify the margin o ...
An investor considers investing $10,000 in the stock market. He believes that the probability is 0.30 that the economy will improve, 0.40 that it will stay the same, and 0.30 that it will deteriorate. Further, if the eco ...
Yixuan is building a tower out of Lego pieces. For the bottom layer of the tower, he has 12 large Lego blocks to choose from. Each of these large blocks is a different color and he has decided to use 5 of them for the bo ...
Assume that the significance level is alpha equals α=0.05. Use the given statement and find the? P-value and critical? value(s). The test statistic of z equals = -1.53 is obtained when testing the claim that p= 1/6 P-val ...
A researcher records the sound (in decibels) during a series of lessons taught by a substitute teacher at a local elementary school. In his study, he found that the sound was 20±2 (M±SD) decibels. Assuming the data are n ...
The board of a major credit card company requires that the mean wait time for customers when they call customer service is at most 3.00 minutes. To make sure that the mean wait is not exceeding the requirement, an assist ...
The manufacturer of a new fertilizer wants to show that the new chemical increases bean yields. The average acre currently yields 146.8 bushels of beans. State the null and alternative hypotheses that the manufacturer wo ...
Start excelling in your Courses, Get help with Assignment Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.
Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate
Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p
Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As
Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int
Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As